Case practice
Practice on 348 reviewed care pathways: get a random case, work the pathway step by step, and get instant scoring — swap in a fresh case anytime. Great for trainees and decision self-testing. Decisions and basis come from the pathways themselves; for licensed clinicians, not a substitute for clinical judgment.
Surgical approach decision · 123
Acute Appendicitis · Conservative vs Surgery + Approach
Uncomplicated may have antibiotics-first or laparoscopic appendectomy; d
Start case →Case challengeGallstones/Cholecystitis · Observe vs Surgery + Approach
Observe asymptomatic; symptomatic/acute → LC (early); Grade III/high-ris
Start case →Case challengeInguinal Hernia · Observe vs Repair + Approach
Minimally symptomatic men may watch; repair if symptomatic; unilateral L
Start case →Case challengeUterine Fibroids · Observe/Medical vs Surgery + Approach
Observe asymptomatic; medical/interventional to preserve the uterus; sur
Start case →Case challengeAdnexal Mass · Surveillance vs Surgery + Approach
IOTA/O-RADS/RMI stratification: surveillance or laparoscopic cystectomy
Start case →Case challengeThyroid Nodule · Surveillance vs Surgery + Approach
US risk sets the FNA threshold + Bethesda: benign surveillance/RFA; inde
Start case →Case challengeUrinary Stones · Stone Passage vs Lithotripsy/Removal + Approach
Ureteric ≤10 mm medical expulsion (MET); surgery chooses URS/SWL/PCNL by
Start case →Case challengeBenign Prostatic Hyperplasia · Medical vs Surgery + Approach
Observe → medical → surgery (refractory/complications); approach by pros
Start case →Case challengeLumbar Disc Herniation · Conservative vs Minimally Invasive vs Fusion
Cauda equina/progressive deficit → emergency decompression; radicular pa
Start case →Case challengeHip/Knee Osteoarthritis · Conservative vs Joint Replacement + Approach
Conservative (weight loss/physio/NSAIDs/injection) 12-24 weeks failed →
Start case →Case challengePulmonary Nodule · Surveillance vs Wedge/Lobectomy + Approach
Surveillance per Fleischner/Lung-RADS; >8 mm/growing/high-risk → after w
Start case →Case challengeCarotid Stenosis · Medical vs CEA vs Stenting
Symptomatic ≥50% → early revascularization (CEA usually over CAS); asymp
Start case →Case challengeAbdominal Aortic Aneurysm · Surveillance vs Open vs EVAR
Men ≥5.5/women ≥5.0 cm, or growth >1 cm/year, or symptoms → repair (EVAR
Start case →Case challengeEarly Breast Cancer · Breast Conservation vs Mastectomy + Axilla
Conservable → BCS + whole-breast radiotherapy (survival equal to mastect
Start case →Case challengeEarly Gastric Cancer/Tumor · ESD vs Gastrectomy
Meeting (expanded) criteria → en-bloc ESD; beyond criteria (SM2/poorly d
Start case →Case challengeColorectal Polyp/Early Cancer · Endoscopic Resection vs Surgery
<10 mm cold snare; LST → EMR; large/suspected superficial invasion → ESD
Start case →Case challengeHemorrhoids · Conservative vs Banding vs Surgery
Goligher I conservative, II rubber-band ligation, III banding/surgery, I
Start case →Case challengeLower-Limb Varicose Veins · Conservative vs Thermal Ablation vs Stripping
Symptomatic saphenous reflux → endovenous thermal ablation (EVLA/RFA) fi
Start case →Case challengePrimary Hyperparathyroidism · Observe vs Parathyroidectomy
Symptomatic or meeting criteria (calcium >ULN+1.0/age <50/eGFR <60/T-sco
Start case →Case challengePelvic Organ Prolapse · Conservative vs Surgery + Approach
POP-Q mild → PFMT; symptomatic → pessary vs surgery (sacrocolpopexy mesh
Start case →Case challengeStress Urinary Incontinence · Conservative vs Sling
Conservative PFMT ≥3 months → if failed, mid-urethral sling (MUS) is the
Start case →Case challengeAcute Diverticulitis · Conservative vs Surgery
Uncomplicated supportive/selective antibiotics; abscess <4 cm antibiotic
Start case →Case challengeCommon Bile Duct Stones · ERCP vs Laparoscopic Bile Duct Exploration
ASGE risk stratification: high-risk direct clearance (two-stage ERCP or
Start case →Case challengeHepatocellular Carcinoma · Resection/Ablation/Transplant (BCLC)
BCLC 0/A resection/ablation/transplant; B TACE; C systemic therapy; D su
Start case →Case challengeRotator Cuff Tear · Conservative vs Repair
Partial/degenerative/elderly → conservative (physio ± injection); acute
Start case →Case challengeACL Injury · Conservative vs Reconstruction
Young active/instability/repairable meniscus → arthroscopic reconstructi
Start case →Case challengeCarpal Tunnel Syndrome · Conservative vs Release
Mild-moderate → splint/injection; severe (thenar atrophy/EMG denervation
Start case →Case challengeLumbar Spinal Stenosis · Conservative vs Decompression ± Fusion
Cauda equina emergency decompression; neurogenic claudication conservati
Start case →Case challengeCataract · Observe vs Surgery
No fixed visual-acuity threshold; functional impairment affecting life/w
Start case →Case challengeCryptorchidism · Observe vs Orchidopexy
<6 months observe; ≥6 months undescended and palpable → inguinal orchido
Start case →Case challengeCongenital Hypertrophic Pyloric Stenosis · Correct First, then Pyloromyotomy
US (muscle ≥3-4 mm, canal ≥15-17 mm); correct hypochloremic hypokalemic
Start case →Case challengePituitary Tumor · Medical vs Transsphenoidal vs Craniotomy
Prolactinoma dopamine agonist first-line; other functioning/non-function
Start case →Case challengeMeningioma · Observe vs Resection vs SRS
Asymptomatic small → observe (serial MRI); symptomatic/growth/edema → su
Start case →Case challengeIntracranial Aneurysm · Observe vs Clipping vs Coiling
Ruptured treated early (coiling often preferred, ISAT); unruptured low-r
Start case →Case challengeAortic Stenosis · SAVR vs TAVR
Meets indication → AVR; <65/life expectancy >20 y SAVR, 65-80 shared dec
Start case →Case challengeCoronary Revascularization · CABG vs PCI
Left main/multivessel + diabetes/high SYNTAX → CABG; low SYNTAX single-d
Start case →Case challengeMitral Regurgitation · Repair vs Replacement
Primary severe meeting indication → surgery (repair over replacement); h
Start case →Case challengeVentral/Incisional Hernia · Repair Approach
Incarceration emergency; small defect observe/mesh; medium mesh (retromu
Start case →Case challengeKeloid/Hypertrophic Scar · Conservative vs Excision + Adjuvant
First-line silicone/pressure; active lesions intralesional steroid injec
Start case →Case challengeTonsils · Observe vs Tonsillectomy
Recurrent pharyngitis meeting Paradise (≥7/yr or ≥5/yr×2 or ≥3/yr×3) → t
Start case →Case challengeChronic Rhinosinusitis · Medical vs FESS
CRS — guideline medical therapy first (nasal steroid + irrigation ± cour
Start case →Case challengeThyroglossal Duct Cyst · Sistrunk Procedure
After confirming a normal thyroid, perform Sistrunk (excise cyst + mid-h
Start case →Case challengeImpacted Wisdom Tooth · Retain vs Extraction
Extract if pathology (recurrent pericoronitis/unrestorable caries/cyst/a
Start case →Case challengeEctopic Pregnancy · Expectant vs MTX vs Surgery
Rupture/unstable → emergency surgery; low and falling hCG → expectant; s
Start case →Case challengeOvarian Torsion · Preserve vs Remove
Surgical emergency: emergency laparoscopic detorsion + preserve the ovar
Start case →Case challengeEndometriosis · Medical vs Laparoscopy
Pain empirical medical first-line; failure/need to confirm/large endomet
Start case →Case challengeTrial of Labor After Cesarean (TOLAC/VBAC)
One low transverse incision, no contraindication, emergency cesarean cap
Start case →Case challengeCervical Insufficiency · Cerclage Indications
History-indicated (12-14 weeks)/ultrasound-indicated (singleton + prior
Start case →Case challengeRenal Tumor (Localized) · Surveillance/Ablation/Partial vs Radical
cT1a (≤4 cm) prefer partial nephrectomy; ≤3 cm high-risk may ablate, <2
Start case →Case challengeLocalized Prostate Cancer · Surveillance vs Prostatectomy vs Radiotherapy
NCCN risk stratification: low-risk active surveillance; intermediate pro
Start case →Case challengeBladder Cancer · TURBT vs Radical Cystectomy
NMIBC → TURBT + instillation (high-risk BCG); MIBC (≥T2) → neoadjuvant c
Start case →Case challengePancreatic Cancer · Resectability + Approach
Resectable → surgery (Whipple/distal) + adjuvant; borderline → reassess
Start case →Case challengeGallbladder Polyp · Surveillance vs Cholecystectomy
≥10 mm or 6-9 mm + risk factors or symptomatic → cholecystectomy; <10 mm
Start case →Case challengeSpontaneous Pneumothorax · Observe/Drain vs Surgery
Tension/unstable → drain; stable small → observe ± oxygen; large/symptom
Start case →Case challengeLower-Limb Atherosclerotic Occlusion · Medical vs Endovascular vs Bypass
Claudication: exercise + medical first; lifestyle-limiting/failure → end
Start case →Case challengeAdrenal Tumor/Pheochromocytoma · Observe vs Resection
Functioning (pheo/aldosterone/cortisol) or ≥4 cm/imaging-suspicious → ad
Start case →Case challengeAnal Fistula · Fistulotomy vs Sphincter-Sparing Procedure
Drain an abscess first; simple low fistula fistulotomy; complex high use
Start case →Case challengeTrigeminal Neuralgia · Medical vs MVD vs Ablation
Carbamazepine first-line; refractory + MRI vascular compression operable
Start case →Case challengeGlaucoma · Medical vs Laser vs Surgery
Open-angle drops (prostaglandin) ± SLT; acute angle-closure urgent IOP l
Start case →Case challengeHip Fracture · Internal Fixation vs Arthroplasty
Femoral neck non-displaced fixation, displaced elderly arthroplasty (hem
Start case →Case challengeSplenectomy Indications · Observe/Embolize vs Splenectomy
Unstable trauma emergency splenectomy, stable spleen-preserving ± emboli
Start case →Case challengeRectal Cancer · Local Excision vs TME
cT1 low-risk transanal local excision (TEM/TAMIS); high-risk T1/T2 → TME
Start case →Case challengeEsophageal Cancer · Endoscopic vs Esophagectomy
Tis/T1a endoscopic resection; T1b esophagectomy; T2-4a/N+ neoadjuvant ch
Start case →Case challengeRetinal Detachment · Laser vs Scleral Buckle vs Vitrectomy
Break without detachment laser barricade; macula-on emergency reattachme
Start case →Case challengeObstructive Sleep Apnea · CPAP vs Surgery
Moderate-severe first-line CPAP; mild-moderate/intolerant oral appliance
Start case →Case challengePediatric Hydrocele · Observe vs Surgery
Infant simple/communicating usually self-resolve, observe to 1-2 years;
Start case →Case challengePediatric Intussusception · Enema Reduction vs Surgery
Stable without peritonitis → air/hydrostatic enema reduction (80-90% suc
Start case →Case challengeBurns · Excision and Grafting + Escharotomy
Circumferential eschar with compression emergency escharotomy; major bur
Start case →Case challengeCervical Spondylosis · Anterior vs Posterior
Radiculopathy conservative first; progressive myelopathy (CSM) → decompr
Start case →Case challengeVaricocele · Observe vs Repair
Subclinical/asymptomatic observe; palpable + abnormal semen + infertilit
Start case →Case challengeUreteropelvic Junction Obstruction · Observe vs Pyeloplasty
Asymptomatic with good function observe; symptomatic/split function <40%
Start case →Case challengeHydrosalpinx / Tubal Infertility
Hydrosalpinx planning IVF → salpingectomy/ligation first (improves impla
Start case →Case challengeAdenomyosis · Medical vs Uterus-Sparing vs Hysterectomy
Medical (LNG-IUS/GnRH/progestin) first; uterus-sparing = lesion excision
Start case →Case challengeCutaneous Melanoma · Margins + Sentinel Node
Margins by Breslow: in situ 0.5-1 cm, ≤1 mm 1 cm, 1-2 mm 1-2 cm, >2 mm 2
Start case →Case challengePressure Ulcer · Stage-Based Conservative vs Flap Reconstruction
Stage I-II offloading and dressings conservative; stage III-IV debride a
Start case →Case challengeAtrial Fibrillation · Medical vs Catheter Ablation vs Surgical Maze
Asymptomatic/preference rate control; symptomatic AAD-refractory → cathe
Start case →Case challengeCongenital ASD/VSD · Device Closure vs Surgery
Intervene only for significant shunt (Qp:Qs >1.5) without Eisenmenger; s
Start case →Case challengeHepatic Cystic Echinococcosis · Observe vs PAIR vs Surgery
WHO classification: CE1/CE3a simple → PAIR; CE2/CE3b/large/complicated/s
Start case →Case challengeHepatic Hemangioma · Observe vs Resection
Asymptomatic with typical imaging observe (no malignant potential, rare
Start case →Case challengeOvarian Cancer · Staging/Cytoreduction · Primary vs Neoadjuvant + Fertility-Sparing
Early full staging (selective fertility-sparing); advanced able to achie
Start case →Case challengeEndometrial Cancer · Surgical Staging + Fertility-Sparing
Surgical staging = hysterectomy + BSO + cytology ± sentinel node (better
Start case →Case challengeCervical Cancer · By FIGO Stage + Approach
IA1 conization/hysterectomy; IA2 modified radical + nodes; IB1-2/IIA1 ra
Start case →Case challengeVulvar Cancer · Local Excision/Vulvectomy + Inguinal Nodes
Early T1 unifocal <4 cm wide local excision (margin ≥1 cm) + lateral sen
Start case →Case challengeGestational Trophoblastic Disease · Evacuation vs Chemotherapy vs Hysterectomy
Molar pregnancy suction evacuation + hCG monitoring; GTN by FIGO/WHO sco
Start case →Case challengeBorderline Ovarian Tumor · Fertility-Sparing vs Staging
Young fertility-sparing (ipsilateral adnexa/cystectomy + staging); compl
Start case →Case challengeOvarian Germ Cell Tumor · Fertility-Sparing Surgery + Chemotherapy
Mature teratoma laparoscopic cystectomy; malignant (dysgerminoma/yolk sa
Start case →Case challengeOvarian Sex Cord-Stromal Tumor · Surgery
Granulosa cell tumor etc. early young fertility-sparing (ipsilateral adn
Start case →Case challengeRecurrent Ovarian Cancer · Secondary Cytoreduction vs Systemic Therapy
Platinum-sensitive + AGO-positive (ECOG 0/no residual/ascites ≤500 ml) +
Start case →Case challengeCervical Intraepithelial Neoplasia (CIN) · Surveillance vs Excision
CIN1 surveillance; CIN2 young may observe; CIN2-3/HSIL excision (LEEP/co
Start case →Case challengeUterine Sarcoma · Surgery (Distinct from Fibroid)
Suspected sarcoma → total hysterectomy, en bloc removal, no unprotected
Start case →Case challengeGlioma · Maximal Safe Resection vs Biopsy
Accessible non-eloquent maximal safe resection (extent affects prognosis
Start case →Case challengeBrain Metastases · Surgery vs SRS vs Whole-Brain Radiotherapy
Single/oligometastatic large or mass effect → surgery + postoperative SR
Start case →Case challengeChronic Subdural Hematoma · Observe vs Burr-Hole Drainage
Asymptomatic thin without mass effect observe; symptomatic/thick/midline
Start case →Case challengeSpontaneous Intracerebral Hemorrhage · Medical vs Surgical Evacuation
Cerebellar >3 cm/brainstem compression/hydrocephalus → emergency surgery
Start case →Case challengeHydrocephalus · Shunt vs ETV
Obstructive (aqueductal stenosis) → ETV endoscopic third ventriculostomy
Start case →Case challengeVestibular Schwannoma (Acoustic Neuroma) · Observe vs SRS vs Surgery
Small asymptomatic non-growing observe; small-medium growing/symptomatic
Start case →Case challengeBrain Arteriovenous Malformation · Surgery/Embolization/Radiosurgery
Ruptured → active cure (by SM grade); unruptured SM I-II microsurgical r
Start case →Case challengeOveractive Bladder/Urge Incontinence · Stepped Therapy
First-line behavioral therapy → second-line anticholinergic/beta-3 agoni
Start case →Case challengeFecal Incontinence · Conservative vs Sphincteroplasty vs Sacral Neuromodulation
First-line conservative (fiber/antidiarrheal/biofeedback); sphincter def
Start case →Case challengeRectocele/Obstructed Defecation · Conservative vs Repair
Conservative (fiber/biofeedback); symptomatic rectocele confirmed on def
Start case →Case challengeVesicovaginal Fistula · Conservative vs Transvaginal vs Transabdominal Repair
Small new catheter trial of healing; vaginally accessible transvaginal r
Start case →Case challengeRectovaginal Fistula · Repair + Approach
Infection drain with seton first; low simple advancement flap; with sphi
Start case →Case challengeVaginal Vault Prolapse (Post-Hysterectomy Apical) · Reconstructive Approach
Post-hysterectomy apical prolapse; none/mild observe; conservative pessa
Start case →Case challengePelvic Mesh Complications · Management
Asymptomatic monofilament small exposure observe + topical estrogen; sym
Start case →Case challengeObstetric Third/Fourth-Degree Perineal Tear (OASIS) · Graded Repair
3a end-to-end; 3b end-to-end or overlap (equivalent); 3c involving IAS r
Start case →Case challengeAcute Epidural Hematoma · Surgical Evacuation vs Observation
>30 cm3 or coma + anisocoria → emergency craniotomy evacuation (cranioto
Start case →Case challengeAcute Subdural Hematoma · Surgical Evacuation vs Observation
Thickness >10 mm or midline shift >5 mm → evacuate regardless of GCS (la
Start case →Case challengeRefractory Intracranial Hypertension · Decompressive Craniectomy Indications
Last-tier surgery: ICP persistently >25 mmHg (1-12 h) despite tier-1/2 t
Start case →Case challengeHydrocephalus · ETV vs Ventriculoperitoneal Shunt
Obstructive (aqueductal stenosis/posterior fossa mass) → endoscopic thir
Start case →Case challengeChiari I Malformation · Posterior Fossa Decompression Indications
Symptomatic (cough/strain-induced occipitocervical pain, brainstem/cereb
Start case →Case challengeBrain Arteriovenous Malformation (AVM) · Spetzler-Martin Grade and Treatment
Ruptured AVM → active cure to prevent rebleeding; unruptured (ARUBA) → i
Start case →Case challengeDeep Brain Stimulation (DBS) · Indications and Targets
Parkinson (levodopa-responsive, motor fluctuations/dyskinesia) → STN (ca
Start case →Case challengeCraniopharyngioma · Approach and Extent of Resection
Midline/intrasellar/suprasellar accessible → endoscopic transsphenoidal;
Start case →Case challengeBrain Abscess · Medical vs Aspiration vs Excision
>2.5 cm or mass effect/unknown pathogen → stereotactic aspiration (prefe
Start case →Case challengeEndometrial Hyperplasia · Progestin vs Hysterectomy
Without atypia → progestin (LNG-IUS preferred, 85-92% resolution, can st
Start case →Case challengeEarly Pregnancy Loss · Expectant vs Medical vs Surgical
Stable without infection → expectant or medical (mifepristone 200 mg ora
Start case →Case challengeBenign Hysterectomy · Route Selection
Benign indications: vaginal preferred when feasible (fewer complications
Start case →Case challengeMenopausal Hormone Therapy (MHT) · Indications and Regimen
<60 years or <10 years since menopause, VMS/prevent bone loss, no contra
Start case →Case challengeOvarian Endometrioma (Chocolate Cyst) · Cystectomy vs Ablation
Symptomatic/large → cystectomy (stripping, better recurrence and pain co
Start case →Case challengeAbnormal Uterine Bleeding (AUB · PALM-COEIN) · Triage
Acute AUB assess hemodynamics first (unstable → resuscitation + IV estro
Start case →Case challengeCesarean Scar Pregnancy (CSP) · Management
Early diagnosis and treatment, first-trimester termination to prevent ru
Start case →Case challengeBartholin Cyst/Abscess · Management
Asymptomatic small cyst → observe; symptomatic cyst/abscess (especially
Start case →Case challengeIntrauterine Adhesions (Asherman) · Hysteroscopic Adhesiolysis
Symptomatic (hypomenorrhea/amenorrhea, infertility, recurrent loss, cycl
Start case →Imaging · 69
O-RADS Ultrasound · Adnexal Mass Risk Stratification
ACR O-RADS US v2022: classify 0–5 by physiologic/typical benign and morp
Start case →Case challengeO-RADS MRI · Adnexal Mass Assessment
For ultrasound-indeterminate adnexal lesions; classify 1–5 by compositio
Start case →Case challengePostmenopausal Bleeding · Endometrial Imaging Assessment
Most PMB should have TVUS + endometrial biopsy together (2026 ACOG); onl
Start case →Case challengeCervical Cancer MRI Staging (FIGO 2018)
MRI is preferred for local staging; intact stromal ring = no parametrial
Start case →Case challengeEndometrial Cancer MRI Staging (FIGO 2023)
MRI measures depth of myometrial invasion + cervical stroma; intact JZ/s
Start case →Case challengeAdenomyosis Imaging Diagnosis
TVUS (MUSA) ≥1 direct feature is diagnostic; MRI junctional zone (JZ) ≥1
Start case →Case challengeUterine Fibroid FIGO Classification + Sarcoma Differentiation
Typical fibroid T2-low + ADC-low; FIGO 0–8 location guides treatment; sa
Start case →Case challengeDeep Endometriosis Imaging (#Enzian)
DIE invades >5 mm; MRI/TVUS localizes, map by #Enzian compartments to gu
Start case →Case challengeUterine Anomaly Classification (ASRM 2021)
Use the external fundal contour to distinguish septate (external indenta
Start case →Case challengePlacenta Accreta Spectrum (PAS) Imaging
Previa + prior cesarean is high-risk; ultrasound ≥3 signs or positive MR
Start case →Case challengeMolar Pregnancy / Gestational Trophoblastic Disease Imaging
Complete mole snowstorm + very high hCG + theca lutein cysts; evacuation
Start case →Case challengePolycystic Ovarian Morphology (PCOM) Ultrasound
High-frequency TVUS ≥20 follicles per ovary or volume ≥10 mL (2018/2023
Start case →Case challengeTubo-Ovarian Abscess (TOA) Imaging
TVUS preferred (complex multiloculated thick-walled mass); indeterminate
Start case →Case challengeEndometrial Polyp / Intracavitary Lesion Imaging
TVUS feeding-vessel sign suggests a polyp; SIS is the imaging gold stand
Start case →Case challengeOvarian Cancer Imaging Staging and Resectability
Abdominopelvic CT is preferred for staging; assess peritoneal implants/u
Start case →Case challengeCesarean Scar Pregnancy (CSP) Ultrasound Diagnosis
TVUS five criteria for diagnosis; type 2 exophytic is high-risk for earl
Start case →Case challengeCesarean Scar Niche (Isthmocele) Imaging
TVUS/SIS measure the residual myometrial thickness (RMT); symptomatic wi
Start case →Case challengeHydrosalpinx Imaging Diagnosis
Tubular shape + waist sign/cogwheel/beads + a separate normal ipsilatera
Start case →Case challengeAdnexal Torsion Imaging Diagnosis
Whirlpool sign/follicular ring sign/stromal edema are specific; normal f
Start case →Case challengeRetained Products of Conception (RPOC) Imaging
An intracavitary echogenic mass is the most sensitive and specific sign;
Start case →Case challengeUterine Arteriovenous Malformation / Enhanced Myometrial Vascularity (EMV)
Honeycomb high-velocity low-resistance myometrial flow; no blind curetta
Start case →Case challengeOvarian Hyperstimulation Syndrome (OHSS) Imaging Grading
Bilateral enlarged ovaries + spoke-wheel follicles + ascites; modified G
Start case →Case challengeVulvar/Vaginal Cancer MRI Staging
ESUR: invasion >1 mm or >4 cm or suspected adjacent organ involvement →
Start case →Case challengePelvic Congestion Syndrome (PCS) Imaging
Ovarian/pelvic vein reflux causing varices; TVUS preferred, criteria met
Start case →Case challengeEarly Pregnancy Viability Assessment (SRU 2013)
Transvaginal ultrasound: CRL ≥7 mm without heartbeat / MSD ≥25 mm withou
Start case →Case challengeEctopic Pregnancy Ultrasound Diagnosis
TVUS gold standard: a mass separate from the ovary (blob/tubal ring sign
Start case →Case challengeIntrauterine Adhesions (Asherman) Imaging Diagnosis
SIS/HSG for initial screening (HSG also assesses the tubes), hysteroscop
Start case →Case challengeHysterosalpingography (HSG) Tubal Patency Assessment
Follicular-phase HSG: free fimbrial contrast spill = patent; proximal no
Start case →Case challengeGestational Trophoblastic Neoplasia (GTN) Staging and Risk
FIGO anatomic stage I–IV + WHO risk score: ≤6 low-risk single-agent chem
Start case →Case challengeCervical Length · Cervical Insufficiency Transvaginal Ultrasound
TVU cervical length ≤25 mm (<24 weeks) = short cervix; no preterm histor
Start case →Case challengeOvarian Vein Thrombosis (Postpartum) Imaging
Postpartum fever + right lower quadrant pain; contrast CT shows an enlar
Start case →Case challengeFetal Ventriculomegaly MRI
Atrium ≥10 mm; mild 10–12 / moderate 13–15 / severe >15 mm; fetal MRI fo
Start case →Case challengeFetal Agenesis of the Corpus Callosum MRI
Midsagittal view directly shows the CC; complete vs partial agenesis; fo
Start case →Case challengeFetal Posterior Fossa Malformation MRI (Dandy-Walker Continuum)
Tegmento-vermian angle assesses vermian rotation; DWM (elevated tentoriu
Start case →Case challengeCongenital Diaphragmatic Hernia (CDH) Fetal MRI
o/e LHR and o/e TFLV grade lung development, liver position sets prognos
Start case →Case challengeCongenital Pulmonary Airway Malformation (CPAM) Fetal · CVR
CVR = lesion volume/head circumference; <1.6 follow up, ≥1.6 high-risk →
Start case →Case challengeOpen Spina Bifida · Fetal Surgery Candidacy (MOMS)
MMC with Chiari II; MOMS candidate (upper level T1–S1, hindbrain herniat
Start case →Case challengeDynamic Pelvic Floor MRI · Pelvic Organ Prolapse (HMO)
Dynamic MR defecography three-compartment assessment; PCL/H line/M line,
Start case →Case challengeCongenital Cytomegalovirus (CMV) Brain MRI
Most common congenital infection; ventriculomegaly/calcification/tempora
Start case →Case challengeSacrococcygeal Teratoma (Altman) Fetal MRI
Altman type I–IV; MRI defines pelvic-abdominal extension + excludes meni
Start case →Case challengeFetal Neck Mass · EXIT Assessment
MRI characterizes + assesses the airway; large/anterior/tracheal deviati
Start case →Case challengeHoloprosencephaly (HPE) Fetal MRI
DeMyer classification: alobar/semilobar/lobar/middle interhemispheric va
Start case →Case challengePulmonary Sequestration (BPS) Fetal MRI
Systemic arterial supply (from the aorta) is characteristic; usually goo
Start case →Case challengeFetal Lower Urinary Tract Obstruction (LUTO)
Keyhole sign + megacystis + bilateral hydronephrosis + oligohydramnios (
Start case →Case challengeFetal Hydrops (Immune/Non-immune) Diagnostic Workflow
≥2 fluid collections; first distinguish immune vs NIHF; MCA-PSV for anem
Start case →Case challengeTwin-Twin Transfusion Syndrome (TTTS · Quintero)
MCDA + TOPS (donor <2 cm/recipient >8 cm); Quintero I–V; stages II–IV <2
Start case →Case challengeFetal Abdominal Wall Defect (Gastroschisis vs Omphalocele)
Look at the cord insertion relationship and presence of a membrane; gast
Start case →Case challengeCongenital High Airway Obstruction (CHAOS)
Bilateral large echogenic lungs + dilated airways + inverted diaphragm +
Start case →Case challengeFetal Pleural Effusion / Chylothorax
Primary (chylous) or secondary; small and stable → observe, large/medias
Start case →Case challengeVein of Galen Aneurysmal Malformation (VGAM) Fetal MRI
Midline venous sac behind the third ventricle + high flow; MRI assesses
Start case →Case challengeFetal Malformation of Cortical Development (MCD) MRI
Fetal MRI assesses sulcation timing: smooth + thick cortex = lissencepha
Start case →Case challengeFetal Microcephaly Diagnostic Workflow
HC <2–3 SD; first distinguish from FGR; check sulcation/calcification +
Start case →Case challengeFetal Aqueductal Stenosis (Obstructive Hydrocephalus)
Lateral + third ventricle dilation, normal fourth ventricle = aqueductal
Start case →Case challengeFetal Intracranial Hemorrhage (IVH Grading)
SWI/T2* most sensitive for blood; IVH Papile grades I–IV; check FNAIT/co
Start case →Case challengeFetal Encephalocele / Cranium Bifidum
Meningocele vs containing brain tissue; occipital most common; MRI asses
Start case →Case challengeFetal Tuberous Sclerosis (Rhabdomyomas + Brain Nodules)
Multiple cardiac rhabdomyomas + brain SEN/tuber strongly suggest TSC; fe
Start case →Case challengeFetal Abdominal Cyst Differential Diagnosis
Ovarian/choledochal/enteric duplication/mesenteric/meconium pseudocyst;
Start case →Case challengeFetal Gastrointestinal Obstruction Imaging Differentiation
Double-bubble = duodenal atresia (check Down), multiple dilated loops =
Start case →Case challengeFetal Esophageal Atresia ± TEF
Absent/small stomach bubble + polyhydramnios ± upper cervical pouch; MRI
Start case →Case challengeFetal Renal Anomaly (Cystic/Dysplastic)
Amniotic fluid = renal function marker; unilateral MCDK good prognosis,
Start case →Case challengeFetal Skeletal Dysplasia (Lethality Prediction)
FL/AC <0.16 or thoracic circumference/AC <0.6 suggests lethal (small che
Start case →Case challengeFetal Arachnoid Cyst / Midline Cyst
Extra-axial CSF cyst, not communicating with the ventricles, mass effect
Start case →Case challengeFetal Hydronephrosis (UTD Classification)
APRPD + risk parameters UTD A1/A2-3; mostly transient, increased-risk ca
Start case →Case challengeFetal Adrenal/Retroperitoneal Mass Differentiation
Neuroblastoma (no single feeder/flow variable) vs sequestration (single
Start case →Case challengeFetal Growth Restriction (FGR · Doppler)
Delphi early-onset (<32 weeks) vs late-onset (≥32 weeks); UA/MCA/CPR/DV
Start case →Case challengeFetal Anemia (MCA-PSV)
MCA-PSV ≥1.5 MoM (Mari) predicts moderate-severe anemia; check alloimmun
Start case →Case challengeTwin Anemia-Polycythemia Sequence (TAPS)
MCDA via tiny AV anastomoses; donor >1.5/recipient <1.0 MoM (or delta >0
Start case →Case challengeTwin Reversed Arterial Perfusion (TRAP · Acardiac Twin)
Monochorionic; the acardiac twin is reverse-perfused by the pump twin; w
Start case →Case challengeFetal Goiter (Hypothyroid/Hyperthyroid)
Symmetric anterior neck mass; Doppler peripheral → hypothyroid/central →
Start case →Emergency · 38
Sepsis — 1-Hour Bundle (SSC)
After recognizing sepsis / septic shock, start the SSC Hour-1 bundle: la
Start case →Case challengeAnaphylaxis (Immediate-Type) — Management Pathway
Recognize anaphylaxis by diagnostic criteria and give intramuscular epin
Start case →Case challengeCardiac Arrest (ACLS) — Management Pathway
Shockable rhythm → defibrillate immediately, epinephrine after the 2nd s
Start case →Case challengeAcetaminophen (Paracetamol) Poisoning — Management Pathway
Use the ingested dose and timing, the 4-hour level and the Rumack-Matthe
Start case →Case challengeSyncope Risk Stratification — Management Pathway
All patients get an ECG, orthostatic vitals and a search for serious cau
Start case →Case challengeCarbon Monoxide Poisoning — Management Pathway
All suspected cases get immediate 100% normobaric oxygen; decide hyperba
Start case →Case challengeOpioid Overdose — Management Pathway
Recognize the respiratory-depression triad, ventilate and oxygenate, tit
Start case →Case challengeOrganophosphate Pesticide Poisoning — Management Pathway
Recognize the cholinergic crisis, decontaminate, titrate atropine to dry
Start case →Case challengeSalicylate (Aspirin) Poisoning — Management Pathway
Bicarbonate for blood/urine alkalinization, correct hypokalemia, avoid i
Start case →Case challengeTricyclic Antidepressant Poisoning — Management Pathway
Sodium-channel blockade widens QRS; bicarbonate is the key antidote, ben
Start case →Case challengeCalcium-Channel / Beta-Blocker Poisoning — Pathway
Bradycardia + hypotension + conduction block; calcium, atropine, high-do
Start case →Case challengeSerotonin Syndrome — Management Pathway
Diagnose by Hunter criteria (clonus/hyperreflexia are key), stop the dru
Start case →Case challengeNeuroleptic Malignant Syndrome (NMS) — Pathway
Dopamine-antagonist-induced lead-pipe rigidity + hyperthermia + altered
Start case →Case challengeAlcohol Withdrawal / Delirium Tremens — Management Pathway
CIWA-Ar symptom-triggered benzodiazepines, thiamine before glucose; DTs/
Start case →Case challengeBenzodiazepine (Sedative-Hypnotic) Overdose — Pathway
Mainly supportive care; flumazenil is a risk-benefit decision, only for
Start case →Case challengeAcute Alcohol & Toxic-Alcohol Poisoning — Pathway
Distinguish plain ethanol from toxic alcohols (methanol/ethylene glycol)
Start case →Case challengeLithium Toxicity — Management Pathway
Mainly neurotoxic; charcoal is ineffective, isotonic saline fluids; seve
Start case →Case challengeIron Poisoning — Management Pathway
Five clinical stages; charcoal is ineffective, whole-bowel irrigation cl
Start case →Case challengeMethemoglobinemia — Management Pathway
Cyanosis not relieved by oxygen + saturation gap + chocolate-brown blood
Start case →Case challengeMethanol / Ethylene Glycol Poisoning — Management Pathway
High-anion-gap acidosis + raised osmolar gap; fomepizole (first-line) in
Start case →Case challengeSympathomimetic Toxicity (Cocaine/Amphetamines) — Pathway
Agitation + hyperthermia + hypertension + tachycardia; benzodiazepines f
Start case →Case challengeAnticholinergic (Antimuscarinic) Toxicity — Pathway
Dry, hot, red, blind, mad, full toxidrome; mainly support + benzodiazepi
Start case →Case challengeCyanide Poisoning — Management Pathway
Fire smoke/industrial; high lactate + anion-gap acidosis, empiric hydrox
Start case →Case challengeIsoniazid (INH) Poisoning — Management Pathway
Triad of refractory seizures + high-anion-gap acidosis + coma; the speci
Start case →Case challengeParaquat Poisoning — Management Pathway
Highly lethal with no specific antidote; the key paradox is to avoid oxy
Start case →Case challengeVenomous Snakebite — Management Pathway
Immobilize and transport, avoid harmful old methods; decide antivenom by
Start case →Case challengeCaustic (Strong Acid/Alkali) Ingestion — Management Pathway
The four nos (no emesis/lavage/neutralization/charcoal); airway first, e
Start case →Case challengeHeat Stroke (Severe Heat Illness) — Management Pathway
Core temp >40°C with CNS dysfunction = heat stroke; rapid cooling is the
Start case →Case challengeAcute Altitude Illness — Management Pathway
Classify AMS/HACE/HAPE; descent is most important, dexamethasone for HAC
Start case →Case challengeMajor Burns (Parkland) — Management Pathway
Assess the airway first (intubate early for inhalation injury); estimate
Start case →Case challengeDrowning — Management Pathway
The core injury is hypoxia, ventilation first; the Heimlich maneuver is
Start case →Case challengeAccidental Hypothermia — Management Pathway
Rewarm by core temperature grade; mild passive, moderate active external
Start case →Case challengeCervical Spine Clearance (NEXUS/Canadian) — Pathway
If all 5 NEXUS low-risk criteria are met, no imaging; any positive or a
Start case →Case challengeHead Injury CT Decision (Canadian CT Head Rule)
For minor head injury, use the high-risk/medium-risk factors of the Cana
Start case →Case challengeTetanus Post-Exposure Prophylaxis — Pathway
Decide on a tetanus-toxoid-containing vaccine and whether to add TIG bas
Start case →Case challengeElectrical Injury — Management Pathway
High-voltage/abnormal ECG/myoglobinuria → monitoring + aggressive fluids
Start case →Case challengeRabies Post-Exposure Prophylaxis (PEP) Pathway
After thorough wound washing, decide vaccine and immunoglobulin by WHO e
Start case →Case challengeMushroom (Amatoxin) Poisoning Pathway
GI symptoms starting >6 h after eating wild mushrooms suggests amatoxin;
Start case →Cardiology · 13
Atrial Fibrillation — Anticoagulation Decision Pathway
Decide whether and what to anticoagulate by valvular status and CHA2DS2-
Start case →Case challengeSTEMI — Reperfusion Strategy Pathway
After STEMI is confirmed, choose primary PCI or thrombolysis + pharmaco-
Start case →Case challengeAcute Heart Failure — Management Pathway
Bedside perfusion (warm/cold) × congestion (wet/dry) phenotyping guides
Start case →Case challengeHypertensive Emergency — Management Pathway
Distinguish emergency (with acute target-organ damage) from urgency, and
Start case →Case challengeNSTE-ACS — Risk Stratification & Timing of Invasive Strategy
Stratify non-ST-elevation ACS into very-high / high / low risk to decide
Start case →Case challengeSupraventricular Tachycardia — Emergency Management
Narrow-QRS regular tachycardia managed by stability: unstable → cardiove
Start case →Case challengeSymptomatic Bradycardia — Management Pathway
Judge whether there is cardiorespiratory compromise; if unstable, atropi
Start case →Case challengeWide-QRS Tachycardia (VT) — Management Pathway
Treat wide-QRS as VT by default; unstable → immediate synchronized cardi
Start case →Case challengeCardiac Tamponade — Management Pathway
Beck's triad + pulsus paradoxus, echo showing effusion + RV collapse; if
Start case →Case challengeAcute Pericarditis — Management Pathway
Diagnose by ≥2 of 4 criteria, exclude ACS/dissection/PE; first-line NSAI
Start case →Case challengeAcute Aortic Dissection — Management Pathway
Confirm and classify by CTA; all types get anti-impulse HR/BP control fi
Start case →Case challengeCardiogenic Shock — Management Pathway
SCAI A–E staging; emergency revascularization is the cornerstone of AMI-
Start case →Case challengeDigoxin Toxicity — Management Pathway
Acute hyperkalemia marks severity; life-threatening features or hyperkal
Start case →Neurology · 11
Acute Ischemic Stroke — Reperfusion Pathway
Within the stroke code, use non-contrast CT to exclude hemorrhage and th
Start case →Case challengeStatus Epilepticus — Management Pathway
Treat convulsive status epilepticus in time-based phases: stabilize → fi
Start case →Case challengeAdult Bacterial Meningitis — Empiric Management Pathway
Decide the workflow by whether CT is needed before LP; start dexamethaso
Start case →Case challengeTIA · ABCD2 Risk Stratification Pathway
Use ABCD2 to estimate short-term stroke risk after TIA and guide the urg
Start case →Case challengeSubarachnoid Hemorrhage (SAH) — Diagnostic & Management Pathway
Sudden thunderclap headache → non-contrast CT first, LP if needed to con
Start case →Case challengeSpontaneous Intracerebral Hemorrhage — Management Pathway
After non-contrast CT confirms it, immediately reverse anticoagulation,
Start case →Case challengeCerebral Venous Sinus Thrombosis (CVST) — Management Pathway
Headache-predominant, can mimic stroke/SAH; diagnose with CTV or MRV (NC
Start case →Case challengeAcute Vertigo (HINTS) — Management Pathway
Use the three-step HINTS for persistent AVS; any central sign → work up
Start case →Case challengeGuillain-Barré Syndrome (GBS) — Pathway
Ascending flaccid paralysis + areflexia + CSF albuminocytologic dissocia
Start case →Case challengeMyasthenic Crisis — Management Pathway
Falling FVC/bulbar weakness → ICU respiratory support, hold pyridostigmi
Start case →Case challengeWernicke Encephalopathy — Management Pathway
Thiamine deficiency, the triad complete in only 16%; IV high-dose thiami
Start case →Gastroenterology · 10
Acute Upper Gastrointestinal Bleeding — Management Pathway
From hemodynamic resuscitation to GBS risk stratification, restrictive t
Start case →Case challengeAcute Pancreatitis — Management Pathway
Diagnose by 2-of-3, stratify by revised Atlanta, and manage with moderat
Start case →Case challengeAcute Cholangitis — Management Pathway
Diagnose and grade by TG18; all patients get broad-spectrum antibiotics,
Start case →Case challengeSpontaneous Bacterial Peritonitis (SBP) — Pathway
Diagnostic paracentesis in cirrhotic ascites; PMN ≥250 → empiric 3rd-gen
Start case →Case challengeHepatic Encephalopathy — Management Pathway
West Haven grading; first find and treat the precipitant, lactulose firs
Start case →Case challengeAcute Mesenteric Ischemia — Management Pathway
Pain out of proportion → treat as AMI; confirm with CTA, resuscitate/ant
Start case →Case challengeEsophageal Variceal Bleeding — Management Pathway
Restrictive transfusion + vasoactive drug on arrival + prophylactic anti
Start case →Case challengeAcute Liver Failure — Management Pathway
Encephalopathy + coagulopathy without chronic liver disease; give NAC ea
Start case →Case challengeToxic Megacolon — Management Pathway
Colon >6 cm + systemic toxicity (Jalan); medical-surgical co-management,
Start case →Case challengeAcute Colonic Pseudo-Obstruction (Ogilvie) Pathway
Colonic dilation without mechanical obstruction; conservative + neostigm
Start case →Endocrinology · 9
Diabetic Ketoacidosis (DKA) — Management Pathway
Confirm DKA, grade by the 2024 ADA consensus, and manage with fluids → c
Start case →Case challengeHyperosmolar Hyperglycemic State (HHS) — Management Pathway
Recognize HHS by four criteria and manage with aggressive fluids, low-do
Start case →Case challengeHypoglycemia — Management Pathway
Treat at glucose <3.9 mmol/L: conscious patients use the 'rule of 15' or
Start case →Case challengeThyroid Storm — Management Pathway
Use Burch-Wartofsky to recognize thyroid storm and treat with the quarte
Start case →Case challengeAdrenal Crisis — Management Pathway
Treat on suspicion, do not delay for confirmation: immediate hydrocortis
Start case →Case challengeHypercalcemia (Hypercalcemic Crisis) — Management Pathway
Stratify by calcium and symptoms; treat severe disease with fluids, calc
Start case →Case challengeMyxedema Coma — Management Pathway
Decompensated severe hypothyroidism (altered consciousness + hypothermia
Start case →Case challengePheochromocytoma Crisis — Management Pathway
Catecholamine hypertensive crisis; alpha-blockade first (phentolamine),
Start case →Case challengePituitary Apoplexy Pathway
Sudden severe headache + visual/ocular motor signs; give empiric hydroco
Start case →Respiratory · 8
Suspected Pulmonary Embolism (PE) — Diagnostic Pathway
From hemodynamic assessment to the two-level Wells score, (age-adjusted)
Start case →Case challengeCommunity-Acquired Pneumonia (CAP) — Disposition Pathway
Use CURB-65 to grade CAP severity and decide outpatient / ward / ICU dis
Start case →Case challengeAcute Asthma Exacerbation — Management Pathway
Grade severity by GINA (speech / breathing / SpO2 / PEF / consciousness)
Start case →Case challengeCOPD Exacerbation (AECOPD) — Management Pathway
Assess outpatient vs admission; use antibiotics by Anthonisen criteria,
Start case →Case challengePneumothorax — Management Pathway
Exclude tension pneumothorax first (immediate needle decompression); man
Start case →Case challengeAcute Pulmonary Embolism — Risk Stratification & Treatment Pathway
After confirming PE, stratify by hemodynamics, PESI, RV function and bio
Start case →Case challengeMassive Hemoptysis — Management Pathway
Death is usually from asphyxiation; airway first + affected-side-down po
Start case →Case challengePleural Effusion (Light's Criteria) — Pathway
Thoracentesis for protein/LDH, Light's criteria classify exudate/transud
Start case →Pediatrics · 8
Croup (Acute Laryngotracheitis) — Management Pathway
Grade by stridor at rest; all children get a single dose of dexamethason
Start case →Case challengeBronchiolitis — Management Pathway
Clinical diagnosis at 1–23 months, purely supportive care; no routine br
Start case →Case challengeKawasaki Disease — Diagnosis & Treatment Pathway
Fever ≥5 days + principal criteria (including incomplete), IVIG 2 g/kg +
Start case →Case challengePediatric Diabetic Ketoacidosis (DKA) — Pathway
Cerebral edema is the most feared complication; start insulin only after
Start case →Case challengePediatric Febrile Seizure — Management Pathway
Distinguish simple from complex febrile seizures to guide seizure manage
Start case →Case challengeIntussusception (Pediatric) — Management Pathway
Ultrasound target sign first-line; air enema reduction if stable, surger
Start case →Case challengePediatric Dehydration Graded Fluid Pathway
Choose oral rehydration or IV isotonic resuscitation by dehydration seve
Start case →Case challengeButton Battery Ingestion (Pediatric) Pathway
A battery in the esophagus is an absolute emergency, remove endoscopical
Start case →Infectious disease · 7
Infective Endocarditis — Diagnostic Pathway
Use the 2023 Duke-ISCVID major/minor criteria for definite/possible IE;
Start case →Case challengeMalaria — Management Pathway
Confirm with blood film/RDT; triage by WHO severe criteria — IV artesuna
Start case →Case challengeSeptic Arthritis — Management Pathway
Acute hot swollen painful single joint; arthrocentesis is key; after asp
Start case →Case challengeClostridioides difficile Colitis (CDI) — Pathway
Grade as non-severe–severe / fulminant; stop the inciting antibiotic, or
Start case →Case challengeAcute Pyelonephritis — Management Pathway
Distinguish complicated/uncomplicated; outpatient oral fluoroquinolone f
Start case →Case challengeHerpes Simplex Encephalitis — Management Pathway
Fever + altered consciousness + focal signs/seizures; once suspected, st
Start case →Case challengeToxic Shock Syndrome — Management Pathway
Superantigen-mediated; source control + fluid resuscitation + MRSA cover
Start case →Nephrology · 6
Adult Hyperkalemia — Management Pathway
Decide whether emergency treatment is needed based on potassium level, E
Start case →Case challengeAcute Kidney Injury (AKI) — KDIGO Staging & Management
Diagnose and stage by KDIGO creatinine and urine-output criteria; find t
Start case →Case challengeHyponatremia — Management Pathway
Whether severe (cerebral edema) symptoms are present decides emergency h
Start case →Case challengeHypokalemia — Management Pathway
Decide oral vs IV potassium by severity and urgent features, and always
Start case →Case challengeHypernatremia — Management Pathway
Correct volume first, then replace free water by acute/chronic status an
Start case →Case challengeRhabdomyolysis — Management Pathway
Diagnose at CK >5× ULN; early aggressive fluids to prevent AKI, correct
Start case →Obstetrics · 6
Eclampsia / Severe Pre-eclampsia — Management Pathway
Recognize severe features and seizures; magnesium sulfate to prevent/sto
Start case →Case challengePostpartum Hemorrhage (PPH) — Management Pathway
Find the cause by the 4 T's and resuscitate; for uterine atony, massage
Start case →Case challengeHELLP Syndrome — Management Pathway
Hemolysis + raised liver enzymes + low platelets; stabilize the mother,
Start case →Case challengePlacental Abruption — Management Pathway
Vaginal bleeding + abdominal pain + abnormal fetal heart rate, a clinica
Start case →Case challengeAmniotic Fluid Embolism (AFE) — Recognition & Management
Sudden hypoxia + hypotension + DIC triad during labor/immediately postpa
Start case →Case challengePreterm Labor / Premature Rupture of Membranes (PPROM) Pathway
If no contraindication, expectant: antenatal steroids + magnesium sulfat
Start case →Urology · 5
Testicular Torsion — Management Pathway
'Time is testicle' — use TWIST/clinical suspicion to decide straight-to-
Start case →Case challengeRenal Colic / Ureteric Stone — Management Pathway
CT first-line; NSAID first-line analgesia + medical expulsive therapy; i
Start case →Case challengePriapism — Management Pathway
Ischemic (painful, rigid, acidotic blood gas) is an emergency, corporal
Start case →Case challengeAcute Urinary Retention — Management Pathway
Immediate catheter decompression + find the cause; for BPH add an alpha-
Start case →Case challengeFournier Gangrene Pathway
Necrotizing fasciitis of the perineum/genital region; early thorough deb
Start case →Surgery · 4
Acute Appendicitis · Alvarado Score Pathway
Stratify with the Alvarado score: observe low-risk, image intermediate,
Start case →Case challengeAcute Cholecystitis — Management Pathway
Diagnose and grade with TG18; with antibiotic support, early laparoscopi
Start case →Case challengeBowel Obstruction — Management Pathway
First judge for strangulation/perforation; if absent, manage conservativ
Start case →Case challengeNecrotizing Fasciitis — Management Pathway
Clinical diagnosis, do not wait for imaging; immediate thorough debridem
Start case →Ophthalmology · 4
Acute Angle-Closure Glaucoma — Management Pathway
An ophthalmic emergency; urgent medical lowering of intraocular pressure
Start case →Case challengeCentral Retinal Artery Occlusion (CRAO) — Pathway
Sudden painless monocular vision loss — an 'eye stroke', manage as an ac
Start case →Case challengeOrbital Cellulitis (Postseptal) — Pathway
Pain on eye movement + proptosis + ophthalmoplegia indicate postseptal;
Start case →Case challengeChemical Eye Burn Pathway
Immediate copious irrigation to a neutral pH is the priority first aid;
Start case →Hematology · 3
Thrombotic Thrombocytopenic Purpura (TTP) — Pathway
MAHA + thrombocytopenia, normal PT/APTT; with a high PLASMIC score, star
Start case →Case challengeDisseminated Intravascular Coagulation (DIC) — Pathway
ISTH score ≥5 = overt DIC; treating the underlying cause is paramount, g
Start case →Case challengeHeparin-Induced Thrombocytopenia (HIT) Pathway
Stratify with the 4T score; ≥4 immediately stop all heparin, switch to n
Start case →ENT · 3
Epistaxis — Management Pathway
First-aid compression 10–15 min; cautery/packing for anterior, posterior
Start case →Case challengePeritonsillar Abscess (Quinsy) — Pathway
Severe unilateral sore throat + trismus + uvular deviation; drainage + a
Start case →Case challengeAcute Epiglottitis (Airway) — Management Pathway
An airway emergency, do not examine the throat/do not agitate; secure th
Start case →